ECDHEMBS.Constructor(CurveID as Integer)

Creates a new key with the given CurveID, e.g. NID_X9_62_prime256v1.

ECDHEMBS.DeriveSecretKey(peerKey as string) as string

Returns a string (i.e. shared secret) that is the result of the EC DHE secret derivation.
Never use a derived secret directly. Typically it is passed through some hash function to produce a key (e.g. SHA512).
peerKey: A string containing the peer's public key.

Some examples using this method:

• /Encryption/Diffie Hellman Key Generation
• /Encryption/ECKey/ECKey Client
• /Encryption/ECKey/ECKey Server
• /Encryption/ECKey/ECKey Tests

ECDHEMBS.Destructor

Public keys and shared secrets should be copied before freeing memory as ecdhe owns the public key and shared secret.

ECDHEMBS.PublicKey as string

dim EC_Curve_ID as Integer = 415 // NID_X9_62_prime256v1
dim ec_dhe as new ECDHEMBS(EC_Curve_ID)
dim publicKey as string = ec_dhe.PublicKey

MsgBox publicKey

Returns a string (i.e. public key) to be shared with your peer; this can be accomplished over the network or by file.
Encoding is PEM, so you can write to a file with .pem file name extension.